Home / 21,344.20-32,016.30-7,494.60

Finding the Fourth Proportional to 21,344.20, 32,016.30 and 7,494.60

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Solution

The fourth proportional to 21,344.20, 32,016.30 and 7,494.60 is: 11,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344.20 : 32,016.30 = 7,494.60 : x
  2. Step 2: Convert to fraction form
    21,344.20/32,016.30 = 7,494.60/x
  3. Step 3: Cross multiply
    21,344.20x = 32,016.30 × 7,494.60
  4. Step 4: Simplify right side
    21,344.20x = 239,949,361.98
  5. Step 5: Solve for x
    x = 239,949,361.98/21,344.20
  6. Step 6: Final answer
    x = 11,241.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.